A.J.Uzakova, B.U.Aytjanov , R.S.Seytbaev; U.E.Aytjanov. VARIATION CHANGE OF VALUABLE ECONOMIC CHARACTERS OF F3 SIMPLE AND COMPLEX HYBRIDS OF SUNFLOWER. EPRA International Journal of Multidisciplinary Research (IJMR) 2023, 9, 64-66.